1305211041 has 12 divisors (see below), whose sum is σ = 1885625040. Its totient is φ = 869992920.

The previous prime is 1305211013. The next prime is 1305211051. The reversal of 1305211041 is 1401125031.

1305211041 is a `hidden beast` number, since 130 + 521 + 10 + 4 + 1 = 666.

It is not a de Polignac number, because 1305211041 - 2²³ = 1296822433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1305211051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80206 + ... + 95096.

It is an arithmetic number, because the mean of its divisors is an integer number (157135420).

Almost surely, 2^1305211041 is an apocalyptic number.

It is an amenable number.

1305211041 is a deficient number, since it is larger than the sum of its proper divisors (580413999).

1305211041 is a wasteful number, since it uses less digits than its factorization.

1305211041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24636 (or 24633 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1305211041 is about 36127.7046184780. The cubic root of 1305211041 is about 1092.8492191586.

Adding to 1305211041 its reverse (1401125031), we get a palindrome (2706336072).

The spelling of 1305211041 in words is "one billion, three hundred five million, two hundred eleven thousand, forty-one".